Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Current conditions at

LOS ALTOS (LOAC1)

Lat: 37.35472°NLon: 122.14167°WElev: 539.0ft.

55°F

13°C

Humidity	63%
Wind Speed	W 2 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	20 Jun 03:10 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Portola Valley CA

Overnight
Low: 47 °F
Mostly Clear
Friday
High: 69 °F
Mostly Sunny
then Sunny
and Breezy
Friday Night
Low: 47 °F
Clear and
Breezy then
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 48 °F
Clear
Sunday
High: 76 °F
Sunny
Sunday Night
Low: 48 °F
Mostly Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 49 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 47. West wind around 11 mph, with gusts as high as 28 mph.

Friday

Sunny, with a high near 69. Breezy, with a west northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.

Friday Night

Mostly clear, with a low around 47. Breezy, with a west northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 40 mph.

Saturday

Sunny, with a high near 74. West northwest wind 7 to 14 mph, with gusts as high as 25 mph.

Saturday Night

Clear, with a low around 48. West northwest wind 6 to 15 mph, with gusts as high as 30 mph.

Sunday

Sunny, with a high near 76.

Sunday Night

Mostly clear, with a low around 48.

Monday

Sunny, with a high near 79.

Monday Night

Partly cloudy, with a low around 49.